Index: contrib/theme_installer.py
==================================================================
--- contrib/theme_installer.py
+++ contrib/theme_installer.py
@@ -124,10 +124,22 @@
                     format = self.mime,
                     listformat = "href"
                 )
                 # add
                 r.append(d)
+
+        # filter on properties
+        d_platform = "win32" if conf.windows else "linux"
+        d_gtk = "gtk2" if uikit.ver == 2 else "gtk3"
+        for i,d in enumerate(r):
+            if not d.get("depends"):
+                continue
+            for dep in re.split("\s*,\s*", d["depends"]):
+                if dep in ("gtk", "streamtuner2", "theme_installer", "gtk2|gtk3", "win32|linux"):
+                    continue
+                if not dep in (d_platform, d_gtk):
+                    del r[i]
 
         # convert relative references
         for d in r:
             for field in ("url", "img", '$file'):
                 v = str(d.get(field))